Practice addition with mixed exercise types!
- Question 1: blank plus 1 equals 2.
- Question 2: blank plus 3 equals 7.
- Question 3: 1 plus 4 equals blank.
- Question 4: 4 plus 5 equals blank.
- Question 5: blank plus 4 equals 8.
- Question 6: blank plus 1 equals 6.
